On 10/21/2014 05:38 PM, Gus Correa wrote: > Hi Bill > > I have 2.6.X CentOS stock kernel.
Heh, wow, quite a blast from the past. > I set both parameters. > It works. Yes, for kernels that old I had it working fine. > Maybe the parameter names may changed in 3.X kernels? > (Which is really bad ...) > You could check if there is more information in: > /sys/module/mlx4_core/parameters/ $ ls /sys/module/mlx4_core/parameters/ debug_level log_mtts_per_seg msi_x use_prio enable_64b_cqe_eqe log_num_mac num_vfs enable_qos log_num_mgm_entry_size port_type_array internal_err_reset log_num_vlan probe_vf $ As expected there's a log_mtts_per_seg, but no log_num_mtt or num_mtt. > There seems to be a thread on the list about this (but apparently > no solution): > http://www.open-mpi.org/community/lists/users/2013/02/21430.php > > Maybe Mellanox has more information about this? I'm all ears. No idea what was behind the change to eliminate what sound like fairly important parameters in mlx4_core.